/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 08:28:56,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 08:28:56,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 08:28:56,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 08:28:56,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 08:28:56,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 08:28:56,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 08:28:56,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 08:28:56,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 08:28:56,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 08:28:56,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 08:28:56,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 08:28:56,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 08:28:56,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 08:28:56,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 08:28:56,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 08:28:57,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 08:28:57,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 08:28:57,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 08:28:57,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 08:28:57,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 08:28:57,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 08:28:57,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 08:28:57,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 08:28:57,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 08:28:57,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 08:28:57,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 08:28:57,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 08:28:57,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 08:28:57,042 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 08:28:57,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 08:28:57,043 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 08:28:57,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 08:28:57,043 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 08:28:57,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 08:28:57,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 08:28:57,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 08:28:57,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 08:28:57,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 08:28:57,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 08:28:57,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 08:28:57,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 08:28:57,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 08:28:57,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 08:28:57,045 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:28:57,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 08:28:57,046 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 08:28:57,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 08:28:57,047 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 08:28:57,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 08:28:57,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 08:28:57,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 08:28:57,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 08:28:57,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 08:28:57,261 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 08:28:57,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-18 08:28:57,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb30accff/ffc7f5ba387f4157ab14bf78cfadcc83/FLAG2cb10d921 [2022-01-18 08:28:57,758 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 08:28:57,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-18 08:28:57,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb30accff/ffc7f5ba387f4157ab14bf78cfadcc83/FLAG2cb10d921 [2022-01-18 08:28:57,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb30accff/ffc7f5ba387f4157ab14bf78cfadcc83 [2022-01-18 08:28:57,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 08:28:57,784 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 08:28:57,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 08:28:57,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 08:28:57,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 08:28:57,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:28:57" (1/1) ... [2022-01-18 08:28:57,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38764dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:57, skipping insertion in model container [2022-01-18 08:28:57,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:28:57" (1/1) ... [2022-01-18 08:28:57,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 08:28:57,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 08:28:58,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-01-18 08:28:58,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:28:58,153 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 08:28:58,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-01-18 08:28:58,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:28:58,242 INFO L208 MainTranslator]: Completed translation [2022-01-18 08:28:58,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58 WrapperNode [2022-01-18 08:28:58,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 08:28:58,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 08:28:58,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 08:28:58,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 08:28:58,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,298 INFO L137 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-01-18 08:28:58,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 08:28:58,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 08:28:58,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 08:28:58,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 08:28:58,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 08:28:58,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 08:28:58,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 08:28:58,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 08:28:58,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (1/1) ... [2022-01-18 08:28:58,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:28:58,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:28:58,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 08:28:58,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 08:28:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 08:28:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 08:28:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 08:28:58,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 08:28:58,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 08:28:58,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 08:28:58,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 08:28:58,392 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 08:28:58,474 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 08:28:58,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 08:28:58,607 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 08:28:58,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 08:28:58,613 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 08:28:58,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:28:58 BoogieIcfgContainer [2022-01-18 08:28:58,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 08:28:58,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 08:28:58,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 08:28:58,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 08:28:58,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 08:28:57" (1/3) ... [2022-01-18 08:28:58,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133cf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:28:58, skipping insertion in model container [2022-01-18 08:28:58,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:28:58" (2/3) ... [2022-01-18 08:28:58,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133cf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:28:58, skipping insertion in model container [2022-01-18 08:28:58,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:28:58" (3/3) ... [2022-01-18 08:28:58,620 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2022-01-18 08:28:58,623 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 08:28:58,624 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 08:28:58,624 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 08:28:58,624 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 08:28:58,653 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,654 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,655 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,656 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,657 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,658 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,659 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,660 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,661 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,675 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,676 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,679 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,679 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:28:58,683 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 08:28:58,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:28:58,749 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 08:28:58,749 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 08:28:58,766 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 93 transitions, 202 flow [2022-01-18 08:28:58,849 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 942 states, 941 states have (on average 2.4410201912858662) internal successors, (2297), 941 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:28:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 942 states, 941 states have (on average 2.4410201912858662) internal successors, (2297), 941 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:28:58,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-18 08:28:58,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:28:58,879 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:28:58,880 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 08:28:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:28:58,885 INFO L85 PathProgramCache]: Analyzing trace with hash 889810029, now seen corresponding path program 1 times [2022-01-18 08:28:58,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:28:58,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786256668] [2022-01-18 08:28:58,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:28:58,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:28:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:28:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:28:59,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:28:59,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786256668] [2022-01-18 08:28:59,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786256668] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:28:59,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:28:59,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 08:28:59,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183296062] [2022-01-18 08:28:59,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:28:59,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 08:28:59,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:28:59,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 08:28:59,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:28:59,263 INFO L87 Difference]: Start difference. First operand has 942 states, 941 states have (on average 2.4410201912858662) internal successors, (2297), 941 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:28:59,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:28:59,358 INFO L93 Difference]: Finished difference Result 702 states and 1509 transitions. [2022-01-18 08:28:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 08:28:59,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-01-18 08:28:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:28:59,382 INFO L225 Difference]: With dead ends: 702 [2022-01-18 08:28:59,382 INFO L226 Difference]: Without dead ends: 702 [2022-01-18 08:28:59,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 08:28:59,387 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 29 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:28:59,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 136 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:28:59,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-01-18 08:28:59,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2022-01-18 08:28:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 701 states have (on average 2.152639087018545) internal successors, (1509), 701 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:28:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1509 transitions. [2022-01-18 08:28:59,474 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1509 transitions. Word has length 80 [2022-01-18 08:28:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:28:59,475 INFO L470 AbstractCegarLoop]: Abstraction has 702 states and 1509 transitions. [2022-01-18 08:28:59,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:28:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1509 transitions. [2022-01-18 08:28:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-18 08:28:59,481 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:28:59,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:28:59,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 08:28:59,481 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 08:28:59,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:28:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1105539045, now seen corresponding path program 2 times [2022-01-18 08:28:59,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:28:59,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518131296] [2022-01-18 08:28:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:28:59,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:28:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:28:59,581 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 08:28:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:28:59,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 08:28:59,651 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 08:28:59,652 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 08:28:59,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 08:28:59,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 08:28:59,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 08:28:59,657 INFO L732 BasicCegarLoop]: Path program histogram: [2] [2022-01-18 08:28:59,661 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 08:28:59,661 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 08:28:59,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 08:28:59 BasicIcfg [2022-01-18 08:28:59,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 08:28:59,732 INFO L158 Benchmark]: Toolchain (without parser) took 1948.71ms. Allocated memory is still 364.9MB. Free memory was 310.5MB in the beginning and 238.8MB in the end (delta: 71.7MB). Peak memory consumption was 72.1MB. Max. memory is 16.0GB. [2022-01-18 08:28:59,733 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 364.9MB. Free memory is still 328.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:28:59,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.78ms. Allocated memory is still 364.9MB. Free memory was 310.3MB in the beginning and 329.0MB in the end (delta: -18.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.0GB. [2022-01-18 08:28:59,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.33ms. Allocated memory is still 364.9MB. Free memory was 329.0MB in the beginning and 326.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 08:28:59,734 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 364.9MB. Free memory was 326.9MB in the beginning and 325.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 08:28:59,735 INFO L158 Benchmark]: RCFGBuilder took 281.10ms. Allocated memory is still 364.9MB. Free memory was 325.5MB in the beginning and 311.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 08:28:59,735 INFO L158 Benchmark]: TraceAbstraction took 1116.53ms. Allocated memory is still 364.9MB. Free memory was 310.1MB in the beginning and 238.8MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.0GB. [2022-01-18 08:28:59,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 364.9MB. Free memory is still 328.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 454.78ms. Allocated memory is still 364.9MB. Free memory was 310.3MB in the beginning and 329.0MB in the end (delta: -18.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 55.33ms. Allocated memory is still 364.9MB. Free memory was 329.0MB in the beginning and 326.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.96ms. Allocated memory is still 364.9MB. Free memory was 326.9MB in the beginning and 325.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 281.10ms. Allocated memory is still 364.9MB. Free memory was 325.5MB in the beginning and 311.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1116.53ms. Allocated memory is still 364.9MB. Free memory was 310.1MB in the beginning and 238.8MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-2, t1={6:0}, t2={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=-1, t1={6:0}, t2={5:0}] [L723] 0 \read(t1) VAL [\read(t1)=-2, arg={0:0}, arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L697] 1 data1++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=4, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-2, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 88 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=942occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-18 08:28:59,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...